Have fitness goals? You can crush 'em. Want to earn a promotion at work? You got it. Want to find the love of your life? It's a little more complicated.

Love doesn't always make sense, and considering it requires another person to be successful, the end game is nearly always out of your control. But as the saying goes — the heart wants what the heart wants. This means far too many people remain in long-term relationships with partners who aren't necessarily right for them for a variety of reasons — either attraction, comfortability or convenience. While you might be able to convince yourself to stay in an unhappy union for a while, as time passes, your patience and your energy level might dip.

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